Home / 816,556.64-1,225,083.92-417,477.63

Finding the Fourth Proportional to 816,556.64, 1,225,083.92 and 417,477.63

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Solution

The fourth proportional to 816,556.64, 1,225,083.92 and 417,477.63 is: 626,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,556.64 : 1,225,083.92 = 417,477.63 : x
  2. Step 2: Convert to fraction form
    816,556.64/1,225,083.92 = 417,477.63/x
  3. Step 3: Cross multiply
    816,556.64x = 1,225,083.92 × 417,477.63
  4. Step 4: Simplify right side
    816,556.64x = 511,445,129,385.32
  5. Step 5: Solve for x
    x = 511,445,129,385.32/816,556.64
  6. Step 6: Final answer
    x = 626,343.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.